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Search preserved mailing-list messages and current email and website contributions. Current posts are searchable before weekly archival. Recovery gaps remain possible. Words are matched together; try fewer terms if needed.

Page 23+: 60 results shown for O2.

Source-balanced relevance: matches from both collections are interleaved, with source dates breaking ties. Restoration time is not the original posting date.

• Re: O2 Sensor in Catalytic Converter
  Historical mailing list - Mike Collum
  Mon, 25 Apr 2005 12:24:03 -0400
  ...Well, I don't need > to put an O2 sensor there, as there is already one in the connector pipe. > Unfortunately, the plug to...
• jerking, bucking, stalling...
  Historical mailing list - David Peterson
  Fri, 9 Jun 2006 08:41:44 -0400
  ...I've read through the archives and the recent forums and it sounds like the O2 sensor may be at the root of it...
• 4-wire O2 sensor swap...
  Historical mailing list - Steve Delanty
  Mon, 22 Sep 2003 14:58:33 -0700
  Well, it was time for a new O2 sensor. Mine was acting sluggish and it turns out that the heater was no good (open...
• Re: Upgrading Digijet to 3-Wire O2 Sensor
  Historical mailing list - Dennis Haynes
  Tue, 13 May 2003 20:35:41 -0400
  ...Upgrading Digijet to 3-Wire O2 Sensor So how do you get the digijet system to fire up the "hot" wires on the 3...
• Re: more idle issues revisited
  Historical mailing list - John Bange
  Mon, 22 May 2006 09:20:05 -0700
  ...If I recall correctly, unplugging TempII basically tells the ECU the engine is cold, making it ignore the O2 sensor input (?) and use a...
• Re: MPG redux
  Historical mailing list - Tom Buese
  Mon, 21 Apr 2008 14:02:53 -0600
  ...BTW, it only gets about 17 mpg with the O2 sensor > disconnected. With that much difference, I'd say my AFM is somewhat > maladjusted...
• Re: 91 Westy, low idle stall, low power ....help! (LENGTHY REPLY)
  Historical mailing list - Mike Frost
  Thu, 21 Jul 2005 22:09:42 -0700
  ...Bentley shows it on 25.54 as part of the check for the O2 sensor and O2 regulation. I'm very curious how many...
• Scotty, I need more power...update and ethical dilemma(long)
  Historical mailing list - Marc Perdue
  Mon, 31 Mar 2003 22:13:57 -0500
  ...I'm figuring that this confirms my hypothesis about the O2 sensor. True? Now, if I leave the O2 sensor disconnected for the week...
• Re: The Waveform is Different. Was: Extra Grounds on 1.9l
  Historical mailing list - Otmar Ebenhoech
  Fri, 14 Apr 2000 10:58:20 -0700
  ...I saw >on the oscilloscope (250 MHz bandwidth) an amazing change in the fuel >injector waveform, and in the O2 sensor waveform. The fuel...
• Re: tested Oxygen Sensor, and...
  Historical mailing list - Larry Alofs
  Fri, 16 May 2008 19:43:02 -0500
  ...With the engine warm, a properly working O2 sensor connected to the ECU should show a voltage that goes up and down between one...
• Re: engine bucking and bogging - simple answer
  Historical mailing list - Alistair Bell
  Mon, 15 Jul 2013 16:47:22 -0700
  Nope, no change with O2 sensor disconnected. No change when O2 sensor connected and ign switch cycled. Only change with the first 2 occurrences...
• Inexpensive O2 Sensors - A Suggestion
  Historical mailing list - Frank Grunthaner
  Thu, 15 Feb 2001 22:59:51 EST
  Just a few comments to the O2 sensor thread: 1). All Bosch patent single wire O2 sensors are functionally identical to all other Bosch...
• Re: GOWESTY AFM no start problem
  Historical mailing list - kenneth wilford (Van-Again)
  Thu, 23 Jun 2016 13:28:39 -0400
  ...Decided to install the new reconditioned > > GOWESTY AFM today. > > I disconnected the O2 sensor then installed the AFM started the engine > with > > the O2...
• Re: Running issue
  Historical mailing list - Dennis Haynes
  Tue, 29 Sep 2015 17:34:31 -0400
  The O2 sensor is not getting on line fast enough. On a warm restart the ECU will look for that sensor in about a...
• Re: O2 sensor stuff
  Historical mailing list - Mark Ingalls
  Wed, 7 Mar 2001 06:46:32 -0600
  ...Reply-To: CTONLINE@WEBTV.NET >To: vanagon@GERRY.VANAGON.COM >Subject: O2 sensor stuff >Date: Wed, 7 Mar 2001 06:17:46 -0600 > >So...
• Re: rear end of van hotter than surface of sun-UPDATE
  Historical mailing list - Philip Jones
  Mon, 11 Jun 2001 14:46:39 EDT
  ...running with O2 sensor plugged in causes van to run too rich, overheating cat converter. running with O2 sensor unplugged reduces cat converter temp...
• Re: O2 sensors - OEM or after-market?
  Historical mailing list - Stan Wilder
  Mon, 6 Jun 2005 21:47:18 -0500
  ...O2 sensors - OEM or after-market? > It looks like I need a new O2 sensor. Was wondering what people think on > brands, given the...
• 1.9L - Will not idle cold - when warm idles at 2800RPM
  Historical mailing list - Jeff Lincoln
  Mon, 7 Jun 2010 11:29:41 -0400
  ...Any ideas where he should start looking? TempII sensor? AFM? O2? Any of these? -- Thanks, Jeff '85 GL (Gertie) '90 Carat (Grover - the noble...
• Re: O2 Sens. Replacement
  Historical mailing list
  Mon, 8 Apr 1996 23:57:00 -0400
  ...I found in the archives that there are generic 3-wire O2 sensors >available as well as some Bosch units that do not have...
• O2 sensor heater wiring
  Historical mailing list - Geza Polony
  Mon, 18 Jun 2007 12:23:19 -0400
  Good folks, I'm wiring a 4-wire O2 sensor from my Saab 9K into the '84 Vanagon, since it's the same part...
• o2 Test
  Historical mailing list - Matthew Libby
  Sun, 18 Aug 2002 21:29:14 -0400
  Is there a simple way to test my 02 sensor, the bentley way requires special tools? Matt 89 GL Westy
• Re: o2 sensor didn't solve it
  Historical mailing list - Geza Polony
  Mon, 30 Jan 2006 14:08:12 -0500
  Sorry about the spelling--I meant Mr. Rodgers. Must have been in the wrong neighborhood.
• Re: SALTWATER FUEL-wood burning vehicles of ww2
  Historical mailing list - mike stainbrook
  Mon, 3 Dec 2007 19:03:54 -0800
  if we could only add enough O2 to make it clean.... mike90260@yahoo.com
• Happy Friday! Some fule injection and idle tips.
  Historical mailing list - Dennis Haynes
  Sat, 30 Apr 2022 03:47:04 +0000
  ...Excess oil blow by or suck through the valve guides can also cause the O2 sensor to overly lean out the mixture. The O2...
• Re: Cough, Choke, Splutter!
  Historical mailing list - Laurence Smith
  Tue, 19 Mar 2002 23:20:36 -0500
  ...My fix (after many, many sensor changes) was to run a new O2 ground wire from the ECU connector back to the engine and...
• Further report on 'de-bunked Vanagon Syndrome" fix...
  Historical mailing list - Don Hanson
  Wed, 9 Jul 2014 09:36:38 -0700
  ...I strongly suspect I had two issues going on...the main one being that the wiring between the O2 sensor and the Brain was...
• 84 CA Vanagon Smog questions
  Historical mailing list - Ely Kumli
  Sat, 11 Apr 1998 19:40:47 -0700
  ...Are these emission levels resonable for no cat, but with a new functioning O2 sensor? I want to be sure before I put a...
• Re: Heh -- I'm such a ninnyhammer
  Historical mailing list - Mike Elliott
  Sun, 3 Aug 2008 16:59:49 -0700
  David Beierl <dbeierl@ATTGLOBAL.NET> writes: > A Vanagon *in proper working order* runs just great without the O2 > sensor. That's why the first...
• Re: O2 Sensor problem
  Historical mailing list - Mbob1950
  Tue, 24 Mar 2020 20:56:29 -0500
  ...O2 Sensor problem > > OK > New o2 sensor installed and it doing exactly the same as before. > With engine warm and running and o2 sensor...
• O2 sensor question 85 vanagon
  Historical mailing list - Jodi Sage
  Wed, 7 Apr 1999 11:53:49 -0500
  ...HOT DOG! Mystery solved that hangy down thing and the magazine drawing look alike! It's my O2 sensor. So based on that article...
• Re: How to remove O2 sensor
  Historical mailing list - Jim Felder
  Thu, 1 Oct 2015 16:43:30 +0000
  ...Jim On Thu, Oct 1, 2015 at 11:38 AM Dennis Jowell <dennisjowell@gmail.com> wrote: > I just started to replace my O2 sensor...
• Re: Low MPG & Carbon Monoxide Smell
  Historical mailing list - Budd Premack
  Fri, 8 May 1998 01:11:34 -0500
  ...You can get an O2 sensor (Digijet) from Ron at the Bus Depot for $ 29.95 plus $ 3.75 for Priority Mail shipping. I...
• Re: Can't get the %&#*!!! OFF!
  Historical mailing list - Robert Lilley
  Tue, 16 Jun 1998 07:28:05 -0700
  Joe, When I had to replace an O2 sensor for a 84 vanagon and a 88 vanagon, I tried to use a o2 sensor...
• Re: who sells vanagon dashboard switches /IMHO Malo
  Historical mailing list - George Goff
  Tue, 20 Apr 2004 08:49:19 EDT
  ...In other words, if the van starts running like a pig, first disconnect the O2 sensor monitor before troubleshooting. George
• Re: Cat / O2 Sensor Removal
  Historical mailing list - neil N
  Mon, 5 May 2008 10:04:48 -0700
  ...A properly working cat/O2 sensor etc., will help reduce emissions. Based upon my Westys model year, ('81 air cooled in Canada), I'm...
• Re: Billy Bones' never ending story
  Historical mailing list - Gary McEachern
  Sat, 13 Mar 2004 03:50:37 -0500
  ...Anyway have you >> checkedto see if the O2 sensor is cycling? If it is not what >> voltage does it >> register? If you don't...
• Re: Post-waterpump replacement - wires and noises
  Historical mailing list - Daniel L. Katz
  Sat, 26 May 2007 03:58:30 -0400
  ...What should I look for? And how expensive is it >likely to be? > >b) Post overheat, my O2 sensor light is on and the...
• Re: My poor MPG, O2 sensor seems okay
  Historical mailing list - Todd Last
  Tue, 11 Sep 2007 15:28:03 +0000
  ...My poor MPG, O2 sensor seems okay > > Hm. Well, I haven't noticed any loss of power. I have a "reference" drive: > a climb...
• Re: ECU question, w/ O2 disconnected
  Historical mailing list - insyncro
  Sat, 7 Feb 2004 11:45:27 -0500
  I disconnected the O2 and right off the bat it ran rough at idle and blew black smoke while at highway speed with the...
• OXS light
  Historical mailing list - Steven Sittser
  Wed, 20 Jun 2007 00:44:04 -0400
  ...The O2 sensor was replaced a few months back; a month or so later, the light came on. I tried (many times) to reset...
• Re: o2 Sensor on 2.1L
  Historical mailing list - Tom Miller
  Mon, 8 Aug 2005 11:26:30 -0400
  ...I went into the engine compartment and traced the three wires (there are three right?) that come out of the o2 wire that leads...
• Re: O2 Sensor Shield
  Historical mailing list - Bob Stevens
  Thu, 24 Sep 2009 19:06:32 -0600
  ...2 SS hose clamps around the O2 sensor, 2 larger ones around the shield. Figured it would be best to create a little space...
• Need Help
  Historical mailing list - Little Bear
  Wed, 27 Dec 2000 22:32:18 -0500
  ...Fuel Pump, Fuel Filter,Collector Pipe (has o2 housing on it, rusted through) ,O2 Sensor. Also fixed a loose vacuum hose but it was...
• Re: Vanagon Syndrome Update
  Historical mailing list - Ken Lewis
  Thu, 13 Oct 2005 14:25:59 -0400
  ...I did not see anything on your list about the O2 sensor. Maybe you could use one of my O2 sensor monitor gadgets? See...
• Re: Weird stalling problem
  Historical mailing list - Sam Walters
  Wed, 24 May 2006 23:08:44 -0400
  Jay, The O2 sensor is a good place to start, but it is best to be systematic and not proceed based on guess work...
• Generic O2 Sensors - What is the real deal?
  Historical mailing list - Dustin Jones
  Mon, 2 Apr 2007 13:23:34 -0400
  So are the generic O2 sensors several list vendors sell (I bought mine from Bus Depot) legit or not? I've read on GoWesty...
• Re: Removing stuck O2 sensor
  Historical mailing list - Dan N
  Tue, 3 Feb 2015 20:01:32 -0800
  yes carbon build up is bad... I use Lucas injectors/rings cleaner every other fill up the gas
• Cough, Choke, Splutter!
  Historical mailing list - Mike Finkbiner
  Wed, 20 Mar 2002 04:09:12 +0000
  ...The O2 sensor, which should have been running around .5 volts, was, IIRC, over 9 volts (!), so I moved the stuff out of the...
• Re: 1.9L Gutless when first started
  Historical mailing list - Jonce Fancher
  Sun, 21 Oct 2007 11:24:50 -0400
  ...Ken Lewis O2 monitor sits pretty steady in center of >range during this brief time (new O2 sensor, too, O2 fluctuates properly >when ECU...
• GOWESTY AFM no start problem
  Historical mailing list - Dennis Jowell
  Wed, 22 Jun 2016 12:38:17 -0400
  ...I disconnected the O2 sensor then installed the AFM started the engine with the O2 still disconnected idled great. Shut everything down reconnected O2...
• Re: ECU Monitor
  Historical mailing list - mark drillock
  Sat, 5 Oct 2013 16:17:24 -0700
  What exactly do you mean by poor? What are those 'ground' readings? The O2 ground that the ECU monitor is looking at is the...
• Re: Failed Smog Test
  Historical mailing list - Mark B. Magee
  Sat, 23 Jan 1999 09:41:53 -0600
  ...If I spend $150 or more (cat and > o2 sensor) the state will give me a waiver, but I'd rather find out what...
• Re: compression/vacuum/fuel pressure/O2 voltage
  Historical mailing list - Laurence Smith
  Mon, 15 Oct 2001 22:07:29 -0400
  ...compression/vacuum/fuel pressure/O2 voltage My son's new '87 syncro is still running pretty rough. I monitored fuel pressure 30 w/vacuum...
• Re: 1.9 L engine 10mpg
  Historical mailing list - Craig Oda
  Mon, 13 Dec 2004 08:25:40 -0800
  ...Also the idling is bad for nearly a year, > stalling often, ever since I changed the O2 sensor, that is single wired. > > Some of...
• Running rich floods
  Historical mailing list - Cooper Jonathan
  Fri, 9 Aug 2002 23:26:51 -0400
  ...First, I got a new O2 sensor and put that in. With that came a new Muffler (Thanks Cherry) that I put in at...
• Fuel Injection problem WAS>> Decent Vanagon Mechanic in Eastern Mass...
  Historical mailing list - Joel Cort
  Mon, 15 Dec 2003 19:44:50 -0800
  ...The guy replaced the O2 sensor and it worked wonderfully. Eventhough the O2 sensor readings were OK on the Digitool. Go with the O2...
• Re: Question about temp II sensor and bad running
  Historical mailing list - Mike Collum
  Thu, 11 Sep 2008 17:49:44 -0400
  FWIW, I once replaced an O2 sensor just because it was time and I was putting a new exhaust system on anyway. The engine...
• Re: O2 sensors brand quality difference?
  Historical mailing list - Don Hanson
  Fri, 25 Jul 2014 16:35:56 -0700
  ...O2 sensors brand quality difference? > > I am replacing what's almost surely a failing O2 sensor in my inline VW > motored van and I...
• Re: Continuing to diagnose rich rough running Digifant ....from yesterday
  Historical mailing list - Don Hanson
  Thu, 24 Jul 2014 07:19:51 -0700
  ...So should I have continuity between the two terminals there at > the O2 plug back to the ECU, or am I totally off base...
• Repost of low power update (long)
  Historical mailing list - Marc Perdue
  Mon, 31 Mar 2003 23:42:08 -0500
  ...I'm figuring that this confirms my hypothesis about the O2 sensor. True? Now, if I leave the O2 sensor disconnected for the week...